<template>
  <el-scrollbar height="400px" ref="scrollBarRef">
    <p v-for="item in 20" :key="item" class="scrollbar-demo-item" 
      @click="getScrollRef()">{{ item }}</p>
  </el-scrollbar>
</template>

<style scoped>
.scrollbar-demo-item {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 50px;
  margin: 10px;
  text-align: center;
  border-radius: 4px;
  background: #ecf5ff;
  color: #409eff;
}
</style>

<script>
import Vue from 'vue';
export default {
  name: 'scrollbar',
  data() {
      return {
          name: 'scrollbar',
          version: Vue.version
      };
  },
  methods: {
      getScrollRef() {
        alert(this.$refs.scrollBarRef.wrap + this.$refs['scrollBarRef'].wrap + this.$refs.scrollBarRef.$refs.wrap)
      }
  }
};
</script>